Registry data as of Aug 27, 2026

Nina Grenon, MS, APRN-BC

Nurse Practitioner · Upton, MA

Nina Grenon, MS, APRN-BC is a nurse practitioner with a practice address in Upton, Massachusetts, and NPI 1447357751, issued on Sep 20, 2006. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1447357751
Name
Nina Grenon
Credential
MS, APRN-BC
Primary taxonomy
Nurse Practitioner 363L00000X
Practice location
206 East St, Upton, MA 01568
Phone
(617) 632-3000
Enumerated
Sep 20, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Nina Grenon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

73% fewer Medicare Part D claims than the average nurse practitioner in 2024

306 Medicare Part D claims for 76 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 26 claims were for opioids.

  1. Nina Grenon306
  2. Specialty average1,144

Most prescribed

  1. Lorazepam22 claims
  2. Eliquis20 claims
  3. Prochlorperazine Maleate20 claims
  4. Xermelo19 claims
  5. Creon17 claims
  6. Famotidine14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $7,416.14

31 payments, mostly food and beverage; the largest payer was Exelixis Inc.. The 36,168 providers of this specialty with any payment received $802.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nina Grenon$7,416.14
  2. Specialty average$802.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

1 nurse practitioner records list a Upton practice address

They are 1 of the 103 NPPES records with a Upton practice address, and 3,234 nurse practitioner records in Massachusetts.

Other nurse practitioner records in Massachusetts

  1. Carolyn Abbanat Villafane, NPBoston, MA1598810269
  2. Lisa Abbondanza, CNPFranklin, MA1770892630
  3. Fatima AbdallaMelrose, MA1326407529
  4. Erika AbeidFairhaven, MA1831084839
  5. Esayas Abraham, NPChelsea, MA1851275895
  6. Alissa AbrahamsonFramingham, MA1285434753
  7. Lauren Abric, CNPMilford, MA1235591447
  8. Amaka Achibiri, FNPWestwood, MA1932061736
  9. Jennifer Ackil, NPBoston, MA1730406398
  10. John AcordFairhaven, MA1013531086

Common questions

What is Nina Grenon, MS, APRN-BC's NPI number?

Nina Grenon, MS, APRN-BC's National Provider Identifier (NPI) is 1447357751, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nina Grenon, MS, APRN-BC located?

The NPPES record lists a practice address at 206 East St, Upton, MA, 01568. Phone: (617) 632-3000. Providers update this record themselves, so call before visiting.

How can I verify Nina Grenon, MS, APRN-BC's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Nina Grenon, MS, APRN-BC prescribe under Medicare Part D?

In 2024, Nina Grenon, MS, APRN-BC had 306 Medicare Part D claims for 76 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.